Device manager - logout of other session (PSG-744) (#9280)

* add sign out of current device section in device details

* lint

* add sign out cta for other sessions

* test other device sign out

* add pending sign out loader

* tidy

* fix strict error

* use gap instead of nbsp

* use more specific assertions in tests, tweak formatting

* tweak test

test/components/views/settings/devices/CurrentDeviceSection-test.tsx

@@ -37,6 +37,7 @@ describe('<CurrentDeviceSection />', () => {
         onVerifyCurrentDevice: jest.fn(),
         onSignOutCurrentDevice: jest.fn(),
         isLoading: false,
+        isSigningOut: false,
     };
     const getComponent = (props = {}): React.ReactElement =>
         (<CurrentDeviceSection {...defaultProps} {...props} />);